20198016

素因数分解:

$2^7\times 3^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 59073300

約数和(自身を除く): 38875284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 144, 178, 192, 197, 267, 288, 356, 384, 394, 534, 576, 591, 712, 788, 801, 1068, 1152, 1182, 1424, 1576, 1602, 1773, 2136, 2364, 2848, 3152, 3204, 3546, 4272, 4728, 5696, 6304, 6408, 7092, 8544, 9456, 11392, 12608, 12816, 14184, 17088, 17533, 18912, 25216, 25632, 28368, 34176, 35066, 37824, 51264, 52599, 56736, 70132, 75648, 102528, 105198, 113472, 140264, 157797, 210396, 226944, 280528, 315594, 420792, 561056, 631188, 841584, 1122112, 1262376, 1683168, 2244224, 2524752, 3366336, 5049504, 6732672, 10099008, 20198016]

約数ペア:

[(1, 20198016), (2, 10099008), (3, 6732672), (4, 5049504), (6, 3366336), (8, 2524752), (9, 2244224), (12, 1683168), (16, 1262376), (18, 1122112), (24, 841584), (32, 631188), (36, 561056), (48, 420792), (64, 315594), (72, 280528), (89, 226944), (96, 210396), (128, 157797), (144, 140264), (178, 113472), (192, 105198), (197, 102528), (267, 75648), (288, 70132), (356, 56736), (384, 52599), (394, 51264), (534, 37824), (576, 35066), (591, 34176), (712, 28368), (788, 25632), (801, 25216), (1068, 18912), (1152, 17533), (1182, 17088), (1424, 14184), (1576, 12816), (1602, 12608), (1773, 11392), (2136, 9456), (2364, 8544), (2848, 7092), (3152, 6408), (3204, 6304), (3546, 5696), (4272, 4728)]